Steel bar arc forming machine

Abstract

The steel bar arc forming machine mainly comprises a frame plate, a push rod and an electric cylinder, the push rod is slidably connected to the inner wall of the frame plate, the electric cylinder is fixedly installed at the top end of the push rod, and the output end of the electric cylinder is connected with a pressure transmission mechanism; the pressure transmission mechanism comprises a pressure sensor which is coaxially connected to the output end of the electric cylinder in a transmission mode, and a pressing plate is fixedly installed at the bottom end of the pressure sensor. A pressure transmission mechanism and a supporting plate are adopted for supporting an electric cylinder, the electric cylinder pushes a push rod to move downwards, the push rod moves downwards along the inner wall of a frame plate, a pressure sensor carries a pressing plate to move downwards, a rotating shaft drives a linkage shaft to move downwards, and the linkage shaft carries a pressing roller to move downwards; the compression roller rotates to carry the reinforcing steel bar to achieve arc-shaped movement operation under specified extrusion force, accurate bending force can be applied, and reinforcing steel bar arc forming operation is achieved according to specified pressure.

Description

Technical Field

[0001] The present invention relates to the technical field of steel bar forming, and more specifically to a steel bar arc forming machine. Background Art

[0002] The steel bar arc forming machine is mainly used to bend steel bars. It can process steel bars into different curves and arcs to meet the needs of special shapes such as circles and arcs in building structures. This equipment can efficiently produce steel bar components that meet design requirements, providing a strong guarantee for the stability and safety of building structures.

[0003] In the existing public documents, the patent announcement number CN217529043U discloses a handheld steel bar bending machine, which drives the fixed cylinder to rotate synchronously through the gear column, and the support plate on the fixed cylinder rotates synchronously. During the rotation process, the contact plate contacts the steel bar, generating static friction, and the two do not slide relative to each other. The reference plate and the contact plate slide relative to each other, so the contact plate and the steel bar always maintain static friction contact, so that the formed arc is smoother. However, the bending machine has the following problems.

[0004] Although the bending machine can bend the steel bars during use, it is difficult to achieve bending according to the specified pressure when bending into an arc shape. At the same time, it is difficult to limit the two ends of the steel bars during the transmission process, which will cause excessive bending or shortened bending. This makes it difficult to apply precise bending force and achieve precise bending of the steel bars at precise positions. For this purpose, a steel bar arc forming machine is provided. Summary of the invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a steel bar arc forming machine, including a frame plate, a push rod and an electric cylinder, the push rod is slidably connected to the inner wall of the frame plate, the electric cylinder is fixedly installed on the top of the push rod, and the output end of the electric cylinder is connected to a pressure transmission mechanism; the pressure transmission mechanism includes a pressure sensor coaxially connected to the output end of the electric cylinder, and a pressure plate is fixedly installed at the bottom end of the pressure sensor, and two sleeve shaft blocks are fixedly connected to the bottom end of the pressure plate; a rotating shaft is installed on the inner wall of the sleeve shaft block, and one end of the rotating shaft is coaxially connected to a driving motor, and the other end of the rotating shaft is fixedly connected to a linkage shaft, and a pressure roller is plugged and fixed on the outer wall of the linkage shaft; sleeve shaft plates are welded on both sides of the frame plate, and a distance positioning extrusion mechanism is provided inside the sleeve shaft plate; Auxiliary rotating shafts are provided on both sides below the driving motor, and one end of the auxiliary rotating shaft assists the transmission mechanism.

[0006] Preferably, the center point of the linkage shaft and the center point of the rotating shaft are on the same horizontal line, and the vertical cross-sectional shape of the rotating shaft is set to be circular, a support frame is installed at the top of the driving motor, and the vertical cross-sectional shape of the support frame is concave, the pressure plate and the driving motor are fixedly connected to the support frame, a support plate is installed on one side of the electric cylinder, the cross-sectional shape of the support plate is T-shaped, and the frame plate and the electric cylinder are fixedly connected to the support plate.

[0007] In this technical solution, the electric cylinder is started by the controller, the frame plate supports the support plate, the electric cylinder pushes the push rod downward, the push rod moves downward along the inner wall of the frame plate, and at the same time the push rod drives the pressure sensor downward, and the pressure plate drives the two sleeve shaft blocks to move downward synchronously. The two sleeve shaft blocks can drive the rotating shaft to move downward, the support frame carries the driving motor to move downward, the linkage shaft carries the pressure roller to move downward, the pressure roller can squeeze on the steel bar to achieve downward extrusion, and at the same time can press the steel bar down under the action of the extrusion force to achieve bending, and at the same time the controller drives the driving motor to rotate forward, the driving motor drives the rotating shaft to rotate, the rotating shaft rotates inside the two sleeve shaft blocks, and the rotation of the pressure roller can carry the steel bar to achieve arc movement operation at the specified extrusion force.

[0008] Preferably, the distance positioning and extrusion mechanism includes a linkage rod fixedly arranged inside the sleeve shaft plate; an auxiliary roller is fixedly connected to the outer wall of the linkage rod and located at a position on one side of the sleeve shaft plate, and a rotatably connected limit ring is provided on the other side of the sleeve shaft plate, and the limit ring and the linkage rod are fixedly connected; a sleeve block is welded to the top end of the sleeve shaft plate, and a distance sensor is fixedly installed inside the sleeve block, the two sleeve shaft plates are symmetrically arranged about the frame plate, and the auxiliary roller and the linkage rod are both made of stainless steel, the angle between the lower surface of the sleeve block and the upper surface of the sleeve shaft plate is set to thirty degrees, and the auxiliary roller is rotatably connected to the sleeve shaft plate.

[0009] In this technical solution, when the steel bar moves, it drives the auxiliary roller to rotate, the auxiliary roller carries the linkage rod to rotate, and the limit ring rotates on the sleeve shaft plate. The sleeve block supports the distance sensor, and the distance sensor senses the distance of the steel bar. When the distance sensor no longer senses the steel bar, the controller drives the drive motor to reverse, and the controller drives the drive motor to reverse, and the pressure roller and the two transmission rollers can continue to drive the steel bar to change a direction.

[0010] Preferably, the auxiliary transmission mechanism comprises a transmission motor coaxially connected to one end of the auxiliary rotating shaft; the bottom end of the frame plate is fixedly connected to a support frame, and a controller is fixedly installed on one side of the support frame, and a gear is fixedly connected to the outer wall of the auxiliary rotating shaft at a position away from the transmission motor; a transmission gear is meshingly connected to one side of the outer wall of the gear, and a rotating shaft is fixedly installed on the inner wall of the transmission gear, and a transmission roller is fixedly connected to the outer wall of the rotating shaft at a position away from the transmission gear; a sensing shaft is welded to one end of the gear, and a torque sensor is fixedly installed on one end of the sensing shaft, and a support block is installed on one side of the torque sensor, and the torque sensor and the support frame are fixedly connected to the support block. A bearing sleeve is provided between the transmission gear and the transmission roller, and the inner wall of the bearing sleeve is rotationally connected to the rotating shaft; the bearing sleeve is fixedly connected to the support frame, and a support bearing is rotationally connected to the outer wall of the auxiliary rotating shaft near the transmission motor, and the support bearing is fixedly connected to the support frame.

[0011] In this technical solution, the two transmission motors rotate forward, the auxiliary shaft carries the gear to rotate, and the transmission gear drives the rotating shaft to rotate. The rotating shaft rotates inside the bearing sleeve, and the transmission roller can assist in carrying the steel bar to achieve arc movement operation. At the same time, when the gear rotates, the sensing shaft is carried to rotate, and the sensing shaft carries the output end of the torque sensor to achieve rotation. The support block supports the torque sensor until the pressure value sensed by the torque sensor is the same as the pressure value set by the controller. The transmission roller can carry the steel bar to achieve transmission operation according to the specified auxiliary force.

[0012] Technical effects and advantages of the present invention: 1. The present invention adopts a pressure transmission mechanism. The support plate supports the electric cylinder. The electric cylinder pushes the push rod downward. The push rod moves downward along the inner wall of the frame plate. The pressure sensor carries the pressure plate downward. The pressure plate drives the two sleeve shaft blocks to move downward synchronously. The rotating shaft drives the linkage shaft to move downward. The linkage shaft carries the pressure roller downward. The steel bars can be pressed down by the extrusion force. The rotation of the pressure roller can carry the steel bars to realize arc-shaped movement operation at the specified extrusion pressure, and can apply precise bending force to realize the arc forming operation of the steel bars according to the specified pressure.

[0013] 2. The present invention adopts a distance positioning extrusion mechanism. When the steel bar moves, it will drive the auxiliary roller to rotate. The auxiliary roller carries the linkage rod to rotate. The sleeve shaft plate supports the sleeve block. The sleeve block supports the distance sensor. The sleeve shaft plate supports the sleeve block. The sleeve block supports the distance sensor. The driving motor is reversed. The pressure roller and the two transmission rollers can continue to drive the steel bar to change one position, realize the rotational forming operation, and can realize the bending operation of the steel bar according to the specified distance, thereby improving the accuracy of arc forming.

[0014] 3. The present invention adopts an auxiliary transmission mechanism to start the two transmission motors to rotate forward. The transmission motor drives the auxiliary rotating shaft to rotate inside the two supporting bearings. The transmission roller can assist in carrying the steel bars to realize arc movement operation. When the gear rotates, it carries the sensing shaft to rotate. The sensing shaft carries the output end of the torque sensor to realize rotation until the pressure value sensed by the torque sensor is the same as the pressure value set by the controller. The transmission roller can carry the steel bars to realize transmission operation according to the specified auxiliary force, and can realize transmission bending under the action of the auxiliary torque force, and the accuracy of arc forming is greatly improved.

[0015] The interaction of the above multiple functions first enables the pressure roller to rotate and carry the steel bar to realize arc movement operation at the specified extrusion pressure, then the transmission roller can carry the steel bar to realize transmission operation according to the specified auxiliary force, and finally the pressure roller and the two transmission rollers can continue to drive the steel bar to change a direction to realize the switching rotation forming operation. In summary, the bending can be realized according to the specified pressure, and at the same time, the two ends of the steel bar can realize arc bending according to the specified distance during the transmission process, and the precise bending force can be applied to realize the precise bending of the steel bar according to the precise position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the steel bar arc forming machine of the present invention.

[0017] Figure 2 It is a schematic diagram of the vertical cross-section structure of the steel bar arc forming machine of the present invention.

[0018] Figure 3 It is a bottom view structural schematic diagram of the steel bar arc forming machine of the present invention.

[0019] Figure 4 It is a schematic diagram of the local structure of the connection between the sleeve shaft plate and the sleeve block of the present invention.

[0020] Figure 5 It is a schematic diagram of the partial structure of the connection between the support base frame and the support bearing of the present invention.

[0021] Figure 6 For the present invention Figure 5 Enlarged structural diagram at A in the middle.

[0022] The accompanying drawings are marked as follows: 1. frame plate; 2. push rod; 3. electric cylinder; 4. pressure sensor; 5. pressure plate; 6. sleeve shaft block; 7. rotating shaft; 8. driving motor; 9. linkage shaft; 10. pressure roller; 11. support frame; 12. support plate; 13. supporting base frame; 14. controller; 15. sleeve shaft plate; 16. linkage rod; 17. auxiliary roller; 18. limiting ring; 19. sleeve block; 20. auxiliary rotating shaft; 21. transmission motor; 22. gear; 23. transmission gear; 24. rotating shaft; 25. transmission roller; 26. sensing shaft; 27. torque sensor; 28. support block; 29. ​​bearing sleeve; 30. support bearing; 31. distance sensor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] As attached Figure 1-6 The steel bar arc forming machine shown in the figure is provided with a pressure transmission mechanism, a distance positioning extrusion mechanism, and an auxiliary transmission mechanism. The settings of each mechanism and component can realize bending according to the specified pressure. At the same time, the two ends of the steel bar can realize arc bending according to the specified distance during the transmission process. It can apply precise bending force and realize precise bending of the steel bar according to the precise position. The specific structural settings of each mechanism and component are as follows.

[0025] In this technical solution, as shown in the attached Figure 1-2 As shown, the push rod 2 is slidably connected to the inner wall of the frame plate 1, the electric cylinder 3 is fixedly installed on the top of the push rod 2, and the output end of the electric cylinder 3 is connected to a pressure transmission mechanism; the pressure transmission mechanism includes a pressure sensor 4 coaxially connected to the output end of the electric cylinder 3, and a pressure plate 5 is fixedly installed at the bottom end of the pressure sensor 4, and two sleeve shaft blocks 6 are fixedly connected to the bottom end of the pressure plate 5; a rotating shaft 7 is installed on the inner wall of the sleeve shaft block 6, and one end of the rotating shaft 7 is coaxially connected to a driving motor 8, and the other end of the rotating shaft 7 is fixedly connected to a linkage shaft 9, and a pressure roller 10 is plugged and fixed on the outer wall of the linkage shaft 9; sleeve shaft plates 15 are welded on both sides of the frame plate 1, and a distance positioning extrusion mechanism is provided inside the sleeve shaft plate 15; auxiliary rotating shafts 20 are provided on both sides below the driving motor 8, and one end of the auxiliary rotating shaft 20 assists the transmission mechanism.

[0026] In this technical solution, as shown in the attached Figure 1-3As shown, the center point of the linkage shaft 9 is on the same horizontal line as the center point of the rotating shaft 7, and the vertical cross-section of the rotating shaft 7 is set to be circular. A support frame 11 is installed at the top of the driving motor 8, and the vertical cross-section of the support frame 11 is concave. The pressing plate 5 and the driving motor 8 are fixedly connected to the support frame 11, so that the pressing plate 5 drives the support frame 11 to move downward, and the support frame 11 carries the driving motor 8 to move downward, which can realize the operation of stably supporting the driving motor 8. A support plate 12 is installed on one side of the electric cylinder 3, and the cross-section of the support plate 12 is T-shaped. The frame plate 1 and the electric cylinder 3 are fixedly connected to the support plate 12, so that the frame plate 1 supports the support plate 12, and the support plate 12 supports the electric cylinder 3, which increases the high stability of the electric cylinder 3 when in use.

[0027] In this technical solution, as shown in the attached Figure 2-4 As shown, the distance positioning extrusion mechanism includes a linkage rod 16 fixedly arranged inside the sleeve shaft plate 15; an auxiliary roller 17 is fixedly connected to the outer wall of the linkage rod 16 and located at one side of the sleeve shaft plate 15, and a rotationally connected limit ring 18 is provided on the other side of the sleeve shaft plate 15, and the limit ring 18 is fixedly connected to the linkage rod 16; a sleeve block 19 is welded to the top of the sleeve shaft plate 15, and a distance sensor 31 is fixedly installed inside the sleeve block 19. The two sleeve shaft plates 15 are symmetrically arranged with respect to the frame plate 1, and the auxiliary roller 17 and the linkage rod 16 are made of stainless steel. The angle between the lower surface of the sleeve block 19 and the upper surface of the sleeve shaft plate 15 is set to thirty degrees, and the auxiliary roller 17 is rotationally connected to the sleeve shaft plate 15.

[0028] In this technical solution, as shown in the attached Figure 5-6 As shown, the auxiliary transmission mechanism includes a transmission motor 21 coaxially connected to one end of the auxiliary shaft 20; the bottom end of the frame 1 is fixedly connected to a support frame 13, and a controller 14 is fixedly installed on one side of the support frame 13, and a gear 22 is fixedly connected to the outer wall of the auxiliary shaft 20 and away from the transmission motor 21; A transmission gear 23 is meshingly connected to one side of the outer wall of the gear 22, and a rotating shaft 24 is fixedly installed on the inner wall of the transmission gear 23, and a transmission roller 25 is fixedly connected to the outer wall of the rotating shaft 24 and at a position away from the transmission gear 23; a sensing shaft 26 is welded to one end of the gear 22, and a torque sensor 27 is fixedly installed on one end of the sensing shaft 26, a support block 28 is installed on one side of the torque sensor 27, and the torque sensor 27 and the support base 13 are fixedly connected to the support block 28.

[0029] A bearing sleeve 29 is provided between the transmission gear 23 and the transmission roller 25, and the inner wall of the bearing sleeve 29 is rotatably connected to the rotating shaft 24; the bearing sleeve 29 is fixedly connected to the supporting base frame 13, and a supporting bearing 30 is rotatably connected to the outer wall of the auxiliary rotating shaft 20 near the transmission motor 21, and the supporting bearing 30 is fixedly connected to the supporting base frame 13.

[0030] The working principle of the steel bar arc forming machine of the present invention is as follows: Step 1: During placement, place the steel bars on the upper surface of the outer wall of the pressure roller 10 , while the steel bars are located on the lower surfaces of the two auxiliary rollers 17 . After placement, support the frame plate 1 through the support frame 13 to increase the stability of the frame plate 1 .

[0031] Step 2: During pressure transmission, the electric cylinder 3 is started by the controller 14, the frame plate 1 supports the support plate 12, the support plate 12 supports the electric cylinder 3, the electric cylinder 3 pushes the push rod 2 downward, the push rod 2 moves downward along the inner wall of the frame plate 1, and the push rod 2 drives the pressure sensor 4 downward, the pressure sensor 4 carries the pressing plate 5 downward, and the pressing plate 5 drives the two sleeve shaft blocks 6 to move downward synchronously. The two sleeve shaft blocks 6 can drive the rotating shaft 7 downward, the pressing plate 5 drives the support frame 11 downward, the support frame 11 carries the driving motor 8 downward, and the rotating shaft 7 drives the linkage shaft 9 downward, the linkage shaft 9 carries the pressing roller 10 downward, the pressing roller 10 can squeeze on the steel bar to realize downward squeezing, and can press the steel bar downward under the action of the squeezing force to realize bending, and at the same time, the controller 14 drives the driving motor 8 to rotate forward, the driving motor 8 drives the rotating shaft 7 to rotate, the rotating shaft 7 rotates inside the two sleeve shaft blocks 6, and at the same time, the rotating shaft 7 drives the pressing roller 10 to rotate, and the pressing roller 10 rotates to carry the steel bar to realize arc movement operation at the specified squeezing force.

[0032] Step 3, during auxiliary transmission, the two transmission motors 21 are started to rotate forward through the controller 14, and the transmission motor 21 drives the auxiliary shaft 20 to rotate inside the two support bearings 30, and at the same time, the auxiliary shaft 20 carries the gear 22 to rotate, and the gear 22 is engaged and carries the transmission gear 23 to rotate, and the transmission gear 23 drives the rotating shaft 24 to rotate. The rotating shaft 24 rotates inside the bearing sleeve 29, and the rotating shaft 24 carries the transmission roller 25 to rotate, and the support chassis 13 can provide a stable support force for the support bearing 30 and the bearing sleeve 29, so that the transmission roller 25 can assist in carrying the steel bar to realize the arc movement operation. At the same time, when the gear 22 rotates, the sensor shaft 26 is carried to rotate, and the sensor shaft 26 carries the output end of the torque sensor 27 to realize rotation, and at the same time, the support chassis 13 supports the support block 28, and the support block 28 supports the torque sensor 27, until the pressure value sensed by the torque sensor 27 is the same as the pressure value set by the controller 14, so that the transmission roller 25 can carry the steel bar to realize the transmission operation according to the specified auxiliary force.

[0033] Step 4: During distance positioning extrusion, when the steel bar moves, the auxiliary roller 17 is driven to rotate, and the auxiliary roller 17 carries the linkage rod 16 to rotate, and the linkage rod 16 drives the limit ring 18 to rotate on the sleeve shaft plate 15. The sleeve shaft plate 15 supports the sleeve block 19, and the sleeve block 19 supports the distance sensor 31. The distance sensor 31 senses the distance of the steel bar. When the distance sensor 31 no longer senses the steel bar, the controller 14 drives the transmission motor 21 to reverse, and the controller 14 drives the drive motor 8 to reverse, so that the pressure roller 10 and the two transmission rollers 25 can continue to drive the steel bar to change a position.

[0034] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel bar arc forming machine, comprising a frame plate (1), a push rod (2) and an electric cylinder (3), wherein the push rod (2) is slidably connected to the inner wall of the frame plate (1), and the electric cylinder (3) is fixedly installed on the top of the push rod (2), characterized in that: The output end of the electric cylinder (3) is connected to a pressure transmission mechanism; The pressure transmission mechanism comprises a pressure sensor (4) coaxially connected to the output end of the electric cylinder (3), and a pressure plate (5) is fixedly mounted on the bottom end of the pressure sensor (4), and two sleeve shaft blocks (6) are fixedly connected to the bottom end of the pressure plate (5); A rotating shaft (7) is mounted on the inner wall of the sleeve shaft block (6), and one end of the rotating shaft (7) is coaxially connected to a driving motor (8), the other end of the rotating shaft (7) is fixedly connected to a linkage shaft (9), and a pressure roller (10) is inserted and fixed to the outer wall of the linkage shaft (9); Both sides of the frame plate (1) are welded with sleeve shaft plates (15), and a distance positioning extrusion mechanism is provided inside the sleeve shaft plate (15); Auxiliary rotating shafts (20) are provided on both sides below the driving motor (8), and one end of the auxiliary rotating shaft (20) assists the transmission mechanism.

2. The steel bar arc forming machine according to claim 1, characterized in that: The center point of the linkage shaft (9) and the center point of the rotating shaft (7) are located on the same horizontal line, and the vertical cross-section of the rotating shaft (7) is set to be circular.

3. The steel bar arc forming machine according to claim 1, characterized in that: A support frame (11) is installed at the top end of the driving motor (8), and the vertical cross-section of the support frame (11) is concave; the pressing plate (5) and the driving motor (8) are both fixedly connected to the support frame (11).

4. The steel bar arc forming machine according to claim 1, characterized in that: A support plate (12) is installed on one side of the electric cylinder (3); the cross-section of the support plate (12) is T-shaped; the frame plate (1) and the electric cylinder (3) are both fixedly connected to the support plate (12).

5. The steel bar arc forming machine according to claim 1, characterized in that: The distance positioning extrusion mechanism comprises a linkage rod (16) fixedly arranged inside the sleeve shaft plate (15); An auxiliary roller (17) is fixedly connected to the outer wall of the linkage rod (16) at a position on one side of the sleeve shaft plate (15); a rotatably connected limiting ring (18) is provided on the other side of the sleeve shaft plate (15); the limiting ring (18) is fixedly connected to the linkage rod (16); A sleeve block (19) is welded to the top end of the sleeve shaft plate (15), and a distance sensor (31) is fixedly installed inside the sleeve block (19).

6. The steel bar arc forming machine according to claim 5, characterized in that: The two sleeve shaft plates (15) are symmetrically arranged with respect to the frame plate (1), and the auxiliary roller (17) and the linkage rod (16) are both made of stainless steel.

7. The steel bar arc forming machine according to claim 5, characterized in that: The angle between the lower surface of the sleeve block (19) and the upper surface of the sleeve shaft plate (15) is set to thirty degrees, and the auxiliary roller (17) is rotationally connected to the sleeve shaft plate (15).

8. The steel bar arc forming machine according to claim 1, characterized in that: The auxiliary transmission mechanism comprises a transmission motor (21) coaxially connected to one end of the auxiliary rotating shaft (20); The bottom end of the frame plate (1) is fixedly connected to a supporting base frame (13), and a controller (14) is fixedly mounted on one side of the supporting base frame (13); a gear (22) is fixedly connected to the outer wall of the auxiliary rotating shaft (20) at a position away from the transmission motor (21); One side of the outer wall of the gear (22) is meshingly connected to a transmission gear (23), and a rotating shaft (24) is fixedly mounted on the inner wall of the transmission gear (23), and a transmission roller (25) is fixedly connected to the outer wall of the rotating shaft (24) at a position away from the transmission gear (23); A sensing shaft (26) is welded to one end of the gear (22), and a torque sensor (27) is fixedly mounted to one end of the sensing shaft (26); a support block (28) is mounted on one side of the torque sensor (27), and the torque sensor (27) and the support base frame (13) are both fixedly connected to the support block (28).

9. The steel bar arc forming machine according to claim 8, characterized in that: A bearing sleeve (29) is provided between the transmission gear (23) and the transmission roller (25), and the inner wall of the bearing sleeve (29) is rotationally connected to the rotating shaft (24); The bearing sleeve (29) is fixedly connected to the support base frame (13); a support bearing (30) is rotatably connected to the outer wall of the auxiliary rotating shaft (20) near the position of the transmission motor (21); and the support bearing (30) is fixedly connected to the support base frame (13).

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